A NASA satellite image shows Typhoon Tembin (L) and Tropical Storm Bolaven (R) on August 21 in the Philippine Sea. South Korea was Monday bracing for major typhoon Bolaven, with a main port and ferry ... more&nbsp

A NASA satellite image shows Typhoon Tembin (L) and Tropical Storm Bolaven (R) on August 21 in the Philippine Sea. South Korea was Monday bracing for major typhoon Bolaven, with a main port and ferry routes closed, classes cancelled, a military exercise suspended and officials put on high alert less&nbsp